Granted Patent
Utility
US 4,808,445 · App. 07/089,473
Coating apparatus and method
Inventors:
Haruyoshi Fujiwara, Toshihiro Toyofuku
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Aug 26, 1987
Inventors
Haruyoshi Fujiwara
Toshihiro Toyofuku
Assignee (at issue)
Beloit Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.